Question

multiple-choice question
how old is the earth?
4.5 billion years old
4.5 million years old
4.5 thousand years old

Explanation:

The scientific consensus, based on radiometric dating of Earth's rocks and meteorites, indicates that the Earth is approximately 4.5 billion years old. The other options (4.5 million or 4.5 thousand years old) are inconsistent with geological and astronomical evidence.

Answer:

A. 4.5 billion years old